Dog breed lifespans

Typical life expectancy for 277 breeds, with the age each becomes a senior and the conditions to watch for. Ranges from AKC breed data; population medians from UK studies where available.

Longest-lived breeds

Coton de Tulear 15–19 yr
Lagotto Romagnolo 15–17 yr
Manchester Terrier (Standard) 15–17 yr
Manchester Terrier (Toy) 15–17 yr
Biewer Terrier 15–16 yr
Hamiltonstovare 14–17 yr
Chinese Crested 13–18 yr
Norrbottenspets 14–17 yr
Tibetan Terrier 15–16 yr
Xoloitzcuintli 13–18 yr

Shortest-lived breeds

Pyrenean Shepherd -1–0 yr
Dogue de Bordeaux 5–8 yr
Irish Wolfhound 6–8 yr
Neapolitan Mastiff 7–9 yr
Mastiff 6–10 yr
Bullmastiff 7–9 yr
Leonberger 8–9 yr
Great Dane 7–10 yr
German Shepherd Dog 7–10 yr
Bernese Mountain Dog 7–10 yr

Most popular breeds

Labrador Retriever
10–12 years · Large German Shepherd Dog
7–10 years · Large Golden Retriever
10–12 years · Large French Bulldog
10–12 years · Small Bulldog
8–10 years · Medium Beagle
10–15 years · Medium Poodle (Miniature)
10–18 years · Small Poodle (Standard)
10–18 years · Large Poodle (Toy)
10–18 years · Toy Rottweiler
9–10 years · Giant German Shorthaired Pointer
10–12 years · Large Yorkshire Terrier
11–15 years · Toy

All breeds

	Size		UK study	Adult weight	Senior from
Affenpinscher	Toy	12–15 yr	—	7–10 lb	10 yr
Afghan Hound	Large	12–15 yr	—	50–60 lb	10 yr
Airedale Terrier	Large	11–14 yr	—	50–70 lb	9.5 yr
Akita	Giant	10–13 yr	—	70–130 lb	8.5 yr
Alaskan Malamute	Large	10–14 yr	—	75–85 lb	9 yr
American Bulldog	Giant	10–12 yr	7.14 yr	60–100 lb	8.5 yr
American English Coonhound	Large	11–12 yr	—	45–65 lb	8.5 yr
American Eskimo Dog	Medium	13–15 yr	—	6–35 lb	10.5 yr
American Foxhound	Large	11–13 yr	—	60–70 lb	9 yr
American Hairless Terrier	Small	14–16 yr	—	12–16 lb	11.5 yr
American Leopard Hound	Large	12–15 yr	—	45–70 lb	10 yr
American Staffordshire Terrier	Large	12–16 yr	—	40–70 lb	10.5 yr
American Water Spaniel	Medium	10–14 yr	—	25–45 lb	9 yr
Anatolian Shepherd Dog	Giant	11–13 yr	—	80–150 lb	9 yr
Appenzeller Sennenhund	Large	12–15 yr	—	48–70 lb	10 yr
Australian Cattle Dog	Medium	12–16 yr	—	35–50 lb	10.5 yr
Australian Kelpie	Medium	10–13 yr	—	31–44 lb	8.5 yr
Australian Shepherd	Large	12–15 yr	—	40–65 lb	10 yr
Australian Stumpy Tail Cattle Dog	Medium	12–15 yr	—	32–45 lb	10 yr
Australian Terrier	Small	11–15 yr	—	15–20 lb	10 yr
Azawakh	Medium	12–15 yr	—	33–55 lb	10 yr
Barbet	Large	12–14 yr	—	35–65 lb	10 yr
Basenji	Small	13–14 yr	—	22–24 lb	10 yr
Basset Fauve de Bretagne	Medium	11–12 yr	—	27–35 lb	8.5 yr
Basset Hound	Large	12–13 yr	—	40–65 lb	9.5 yr
Bavarian Mountain Scent Hound	Large	12–15 yr	—	37–66 lb	10 yr
Beagle	Medium	10–15 yr	9.85 yr	13–30 lb	9.5 yr
Bearded Collie	Medium	12–14 yr	—	45–55 lb	10 yr
Beauceron	Giant	10–12 yr	—	70–110 lb	8.5 yr
Bedlington Terrier	Small	11–16 yr	—	17–23 lb	10 yr
Belgian Laekenois	Large	10–12 yr	—	55–65 lb	8.5 yr
Belgian Malinois	Large	14–16 yr	—	40–80 lb	11.5 yr
Belgian Sheepdog	Large	12–14 yr	—	45–75 lb	10 yr
Belgian Tervuren	Large	12–14 yr	—	45–75 lb	10 yr
Bergamasco Sheepdog	Large	13–15 yr	—	57–84 lb	10.5 yr
Berger Picard	Large	12–13 yr	—	50–70 lb	9.5 yr
Bernese Mountain Dog	Giant	7–10 yr	—	70–115 lb	6.5 yr
Biewer Terrier	Toy	15–16 yr	—	4–8 lb	11.5 yr
Bichon Frise	Small	14–15 yr	—	12–18 lb	11 yr
Black and Tan Coonhound	Giant	10–12 yr	—	65–110 lb	8.5 yr
Black Russian Terrier	Giant	10–12 yr	—	80–130 lb	8.5 yr
Bloodhound	Giant	10–12 yr	—	80–110 lb	8.5 yr
Bluetick Coonhound	Large	11–12 yr	—	45–80 lb	8.5 yr
Boerboel	Giant	9–11 yr	—	150–200 lb	7.5 yr
Bohemian Shepherd	Large	12–15 yr	—	37–60 lb	10 yr
Bolognese	Toy	12–14 yr	—	5–9 lb	10 yr
Border Collie	Medium	12–15 yr	12.1 yr	30–55 lb	10 yr
Border Terrier	Small	12–15 yr	—	11–15 lb	10 yr
Borzoi	Giant	9–14 yr	—	60–105 lb	8.5 yr
Boston Terrier	Small	11–13 yr	—	12–25 lb	9 yr
Bouvier des Flandres	Giant	10–12 yr	—	70–110 lb	8.5 yr
Boxer	Large	10–12 yr	9.75 yr	15–80 lb	8.5 yr
Boykin Spaniel	Medium	10–15 yr	—	25–40 lb	9.5 yr
Bracco Italiano	Large	10–14 yr	—	55–90 lb	9 yr
Braque du Bourbonnais	Medium	10–12 yr	—	35–53 lb	8.5 yr
Braque Francais Pyrenean	Medium	12–15 yr	—	40–55 lb	10 yr
Briard	Giant	11–12 yr	—	55–100 lb	8.5 yr
Brittany	Medium	12–14 yr	—	30–40 lb	10 yr
Broholmer	Giant	8–10 yr	—	90–150 lb	7 yr
Brussels Griffon	Toy	12–15 yr	—	8–10 lb	10 yr
Bull Terrier	Large	12–13 yr	—	50–70 lb	9.5 yr
Bulldog	Medium	8–10 yr	7.39 yr	40–50 lb	7 yr
Bullmastiff	Giant	7–9 yr	—	100–130 lb	6 yr
Cairn Terrier	Small	13–15 yr	—	13–14 lb	10.5 yr
Canaan Dog	Medium	12–15 yr	—	35–55 lb	10 yr
Cane Corso	Toy	9–12 yr	8.1 yr	up to 0 lb	8 yr
Cardigan Welsh Corgi	Medium	12–15 yr	—	25–38 lb	10 yr
Carolina Dog	Medium	12–15 yr	—	30–55 lb	10 yr
Catahoula Leopard Dog	Large	10–14 yr	—	50–95 lb	9 yr
Caucasian Shepherd Dog	Giant	10–12 yr	5.4 yr	99–170 lb	8.5 yr
Cavalier King Charles Spaniel	Small	12–15 yr	10.64 yr	13–18 lb	10 yr
Central Asian Shepherd Dog	Giant	12–15 yr	—	88–110 lb	10 yr
Cesky Terrier	Small	12–15 yr	—	14–24 lb	10 yr
Cirneco dell’Etna	Small	12–14 yr	—	17–26 lb	10 yr
Clumber Spaniel	Large	10–12 yr	—	55–85 lb	8.5 yr
Cocker Spaniel	Medium	10–14 yr	—	20–30 lb	9 yr
Collie	Large	12–14 yr	—	50–75 lb	10 yr
Coton de Tulear	Small	15–19 yr	—	8–15 lb	13 yr
Croatian Sheepdog	Medium	13–14 yr	—	29–44 lb	10 yr
Curly-Coated Retriever	Large	10–12 yr	—	60–95 lb	8.5 yr
Czechoslovakian Vlcak	Large	10–15 yr	—	44–57 lb	9.5 yr
Dachshund	Medium	12–16 yr	—	11–32 lb	10.5 yr
Dalmatian	Large	11–13 yr	—	45–70 lb	9 yr
Dandie Dinmont Terrier	Small	12–15 yr	—	18–24 lb	10 yr
Danish-Swedish Farmdog	Small	11–13 yr	—	15–20 lb	9 yr
Deutscher Wachtelhund	Medium	12–14 yr	—	40–55 lb	10 yr
Doberman Pinscher	Giant	10–12 yr	—	60–100 lb	8.5 yr
Dogo Argentino	Giant	9–15 yr	—	88–100 lb	9 yr
Dogue de Bordeaux	Giant	5–8 yr	—	99–110 lb	5 yr
Drentsche Patrijshond	Large	11–14 yr	—	48–73 lb	9.5 yr
Drever	Medium	14–15 yr	—	35–40 lb	11 yr
Dutch Shepherd	Large	11–14 yr	—	42–75 lb	9.5 yr
English Cocker Spaniel	Medium	12–14 yr	11.67 yr	26–34 lb	10 yr
English Foxhound	Large	10–13 yr	—	60–75 lb	8.5 yr
English Setter	Large	11–12 yr	—	45–80 lb	8.5 yr
English Springer Spaniel	Medium	12–14 yr	11.92 yr	40–50 lb	10 yr
English Toy Spaniel	Small	10–12 yr	—	8–14 lb	8.5 yr
Entlebucher Mountain Dog	Large	11–13 yr	—	40–65 lb	9 yr
Estrela Mountain Dog	Giant	10–14 yr	—	77–132 lb	9 yr
Eurasier	Large	12–16 yr	—	40–70 lb	10.5 yr
Field Spaniel	Medium	12–13 yr	—	35–50 lb	9.5 yr
Finnish Lapphund	Medium	12–15 yr	—	33–53 lb	10 yr
Finnish Spitz	Medium	13–15 yr	—	20–33 lb	10.5 yr
Flat-Coated Retriever	Large	8–10 yr	—	60–70 lb	7 yr
French Bulldog	Small	10–12 yr	4.53 yr	up to 28 lb	8.5 yr
French Spaniel	Large	10–12 yr	—	50–60 lb	8.5 yr
German Longhaired Pointer	Large	12–14 yr	—	55–80 lb	10 yr
German Pinscher	Medium	12–14 yr	—	25–45 lb	10 yr
German Shepherd Dog	Large	7–10 yr	10.78 yr	50–90 lb	6.5 yr
German Shorthaired Pointer	Large	10–12 yr	—	45–70 lb	8.5 yr
German Spitz	Small	13–15 yr	—	24–26 lb	10.5 yr
German Wirehaired Pointer	Large	14–16 yr	—	50–70 lb	11.5 yr
Giant Schnauzer	Large	12–15 yr	—	55–85 lb	10 yr
Glen of Imaal Terrier	Medium	10–15 yr	—	32–40 lb	9.5 yr
Golden Retriever	Large	10–12 yr	—	55–75 lb	8.5 yr
Gordon Setter	Large	12–13 yr	—	45–80 lb	9.5 yr
Grand Basset Griffon Vendéen	Medium	13–15 yr	—	40–45 lb	10.5 yr
Great Dane	Giant	7–10 yr	—	110–175 lb	6.5 yr
Great Pyrenees	Giant	10–12 yr	—	85–100 lb	8.5 yr
Greater Swiss Mountain Dog	Giant	8–11 yr	—	85–140 lb	7 yr
Greyhound	Large	10–13 yr	—	60–70 lb	8.5 yr
Hamiltonstovare	Large	14–17 yr	—	40–75 lb	11.5 yr
Hanoverian Scenthound	Large	10–14 yr	—	79–99 lb	9 yr
Harrier	Large	12–15 yr	—	45–60 lb	10 yr
Havanese	Small	14–16 yr	—	7–13 lb	11.5 yr
Hokkaido	Large	12–15 yr	—	44–66 lb	10 yr
Hovawart	Large	10–14 yr	—	65–90 lb	9 yr
Chesapeake Bay Retriever	Large	10–13 yr	—	55–80 lb	8.5 yr
Chihuahua	Toy	14–16 yr	7.91 yr	up to 6 lb	11.5 yr
Chinese Crested	Toy	13–18 yr	—	8–12 lb	11.5 yr
Chinese Shar-Pei	Large	8–12 yr	—	45–60 lb	7.5 yr
Chinook	Large	12–15 yr	—	50–90 lb	10 yr
Chow Chow	Large	8–12 yr	—	45–70 lb	7.5 yr
Ibizan Hound	Medium	11–14 yr	—	45–50 lb	9.5 yr
Icelandic Sheepdog	Medium	12–14 yr	—	25–30 lb	10 yr
Irish Red and White Setter	Large	11–15 yr	—	35–60 lb	10 yr
Irish Setter	Large	12–15 yr	—	60–70 lb	10 yr
Irish Terrier	Small	13–15 yr	—	25–27 lb	10.5 yr
Irish Water Spaniel	Large	12–13 yr	—	45–68 lb	9.5 yr
Irish Wolfhound	Giant	6–8 yr	—	105–120 lb	5.5 yr
Italian Greyhound	Small	14–15 yr	—	7–14 lb	11 yr
Jagdterrier	Small	10–12 yr	—	17–22 lb	8.5 yr
Japanese Chin	Toy	10–12 yr	—	7–11 lb	8.5 yr
Japanese Spitz	Small	12–14 yr	—	10–25 lb	10 yr
Jindo	Medium	13–14 yr	—	30–50 lb	10 yr
Kai Ken	Medium	12–15 yr	—	20–40 lb	10 yr
Karelian Bear Dog	Medium	11–13 yr	—	44–49 lb	9 yr
Keeshond	Medium	12–15 yr	—	35–45 lb	10 yr
Kerry Blue Terrier	Medium	12–15 yr	—	33–40 lb	10 yr
Kishu Ken	Large	11–13 yr	—	30–60 lb	9 yr
Komondor	Giant	10–12 yr	—	80–100 lb	8.5 yr
Kromfohrlander	Medium	13–15 yr	—	20–35 lb	10.5 yr
Kuvasz	Giant	10–12 yr	—	70–115 lb	8.5 yr
Labrador Retriever	Large	10–12 yr	11.77 yr	55–80 lb	8.5 yr
Lagotto Romagnolo	Medium	15–17 yr	—	24–35 lb	12 yr
Lakeland Terrier	Small	12–15 yr	14.2 yr	up to 17 lb	10 yr
Lancashire Heeler	Small	12–15 yr	15.4 yr	9–17 lb	10 yr
Lapponian Herder	Large	10–14 yr	—	up to 70 lb	9 yr
Leonberger	Giant	8–9 yr	—	90–170 lb	6.5 yr
Lhasa Apso	Small	12–15 yr	—	12–18 lb	10 yr
Löwchen	Small	14–15 yr	—	10–15 lb	11 yr
Maltese	Toy	12–15 yr	—	up to 7 lb	10 yr
Manchester Terrier (Standard)	Small	15–17 yr	—	12–22 lb	12 yr
Manchester Terrier (Toy)	Toy	15–17 yr	—	up to 12 lb	12 yr
Mastiff	Giant	6–10 yr	9 yr	120–230 lb	6 yr
Miniature American Shepherd	Medium	12–13 yr	—	20–40 lb	9.5 yr
Miniature Bull Terrier	Small	11–13 yr	—	18–28 lb	9 yr
Miniature Pinscher	Toy	12–16 yr	—	8–10 lb	10.5 yr
Miniature Schnauzer	Small	12–15 yr	—	11–20 lb	10 yr
Mountain Cur	Large	10–13 yr	—	30–60 lb	8.5 yr
Mudi	Medium	12–14 yr	—	18–29 lb	10 yr
Neapolitan Mastiff	Giant	7–9 yr	—	110–150 lb	6 yr
Nederlandse Kooikerhondje	Medium	12–15 yr	—	20–30 lb	10 yr
Newfoundland	Giant	9–10 yr	—	100–150 lb	7 yr
Norfolk Terrier	Toy	12–16 yr	—	11–12 lb	10.5 yr
Norrbottenspets	Medium	14–17 yr	—	20–30 lb	11.5 yr
Norwegian Buhund	Medium	12–15 yr	—	26–40 lb	10 yr
Norwegian Elkhound	Medium	12–15 yr	—	48–55 lb	10 yr
Norwegian Lundehund	Medium	12–15 yr	—	20–30 lb	10 yr
Norwich Terrier	Toy	12–15 yr	—	up to 12 lb	10 yr
Nova Scotia Duck Tolling Retriever	Medium	12–14 yr	—	35–50 lb	10 yr
Old English Sheepdog	Giant	10–12 yr	—	60–100 lb	8.5 yr
Otterhound	Giant	10–13 yr	—	80–115 lb	8.5 yr
Papillon	Toy	14–16 yr	14.5 yr	5–10 lb	11.5 yr
Parson Russell Terrier	Small	13–15 yr	—	13–17 lb	10.5 yr
Pekingese	Small	12–14 yr	—	up to 14 lb	10 yr
Pembroke Welsh Corgi	Medium	12–13 yr	—	28–30 lb	9.5 yr
Perro de Presa Canario	Giant	9–11 yr	7.7 yr	84–110 lb	7.5 yr
Peruvian Inca Orchid	Medium	12–14 yr	—	8–55 lb	10 yr
Petit Basset Griffon Vendéen	Medium	12–14 yr	—	25–40 lb	10 yr
Pharaoh Hound	Medium	12–14 yr	—	45–55 lb	10 yr
Plott Hound	Large	12–14 yr	—	40–60 lb	10 yr
Pointer	Large	12–17 yr	—	45–75 lb	11 yr
Polish Lowland Sheepdog	Medium	12–14 yr	—	30–50 lb	10 yr
Pomeranian	Toy	12–16 yr	—	3–7 lb	10.5 yr
Poodle (Miniature)	Small	10–18 yr	—	10–15 lb	10.5 yr
Poodle (Standard)	Large	10–18 yr	—	40–70 lb	10.5 yr
Poodle (Toy)	Toy	10–18 yr	—	4–6 lb	10.5 yr
Porcelaine	Large	12–13 yr	—	55–62 lb	9.5 yr
Portuguese Podengo	Large	10–12 yr	—	35–66 lb	8.5 yr
Portuguese Podengo Pequeno	Small	12–15 yr	—	9–13 lb	10 yr
Portuguese Pointer	Large	13–14 yr	—	35–59 lb	10 yr
Portuguese Sheepdog	Large	12–13 yr	—	37–59 lb	9.5 yr
Portuguese Water Dog	Large	11–13 yr	—	35–60 lb	9 yr
Pudelpointer	Large	13–14 yr	—	45–70 lb	10 yr
Pug	Small	13–15 yr	7.65 yr	14–18 lb	10.5 yr
Puli	Medium	10–15 yr	—	25–35 lb	9.5 yr
Pumi	Medium	12–13 yr	—	22–29 lb	9.5 yr
Pyrenean Mastiff	Giant	10–13 yr	—	120–240 lb	8.5 yr
Pyrenean Shepherd	Medium	-1–0 yr	—	15–30 lb	-0.5 yr
Rafeiro do Alentejo	Giant	12–14 yr	—	77–132 lb	10 yr
Rat Terrier	Small	12–18 yr	—	10–25 lb	11.5 yr
Redbone Coonhound	Large	12–15 yr	—	45–70 lb	10 yr
Rhodesian Ridgeback	Large	9–10 yr	—	70–85 lb	7 yr
Romanian Mioritic Shepherd Dog	Giant	12–14 yr	—	100–130 lb	10 yr
Rottweiler	Giant	9–10 yr	—	80–135 lb	7 yr
Russell Terrier	Small	12–14 yr	12.72 yr	9–15 lb	10 yr
Russian Toy	Toy	12–14 yr	—	up to 6 lb	10 yr
Russian Tsvetnaya Bolonka	Toy	12–16 yr	—	4–11 lb	10.5 yr
Saint Bernard	Giant	8–10 yr	9.3 yr	120–180 lb	7 yr
Saluki	Large	10–17 yr	—	40–65 lb	10 yr
Samoyed	Large	12–14 yr	—	35–65 lb	10 yr
Scottish Deerhound	Giant	8–11 yr	—	75–110 lb	7 yr
Scottish Terrier	Small	11–12 yr	—	18–22 lb	8.5 yr
Sealyham Terrier	Small	12–14 yr	—	23–24 lb	10 yr
Segugio Italiano	Large	11–13 yr	—	40–60 lb	9 yr
Shetland Sheepdog	Small	12–14 yr	—	15–25 lb	10 yr
Shiba Inu	Small	13–16 yr	14.6 yr	17–23 lb	11 yr
Shih Tzu	Small	10–18 yr	11.05 yr	9–16 lb	10.5 yr
Shikoku	Medium	10–12 yr	—	35–55 lb	8.5 yr
Schapendoes	Medium	12–15 yr	—	26–55 lb	10 yr
Schipperke	Small	12–14 yr	—	10–16 lb	10 yr
Siberian Husky	Large	12–14 yr	10.24 yr	35–60 lb	10 yr
Silky Terrier	Toy	13–15 yr	—	up to 10 lb	10.5 yr
Skye Terrier	Medium	12–14 yr	—	35–45 lb	10 yr
Sloughi	Medium	10–15 yr	—	35–50 lb	9.5 yr
Slovakian Wirehaired Pointer	Large	12–15 yr	—	50–65 lb	10 yr
Slovensky Cuvac	Large	11–13 yr	—	68–97 lb	9 yr
Slovensky Kopov	Medium	12–13 yr	—	33–44 lb	9.5 yr
Small Munsterlander Pointer	Large	12–14 yr	—	40–60 lb	10 yr
Smooth Fox Terrier	Small	12–15 yr	—	15–18 lb	10 yr
Soft Coated Wheaten Terrier	Medium	12–14 yr	—	30–40 lb	10 yr
Spanish Mastiff	Giant	10–12 yr	—	140–200 lb	8.5 yr
Spanish Water Dog	Medium	12–14 yr	—	31–49 lb	10 yr
Spinone Italiano	Large	10–12 yr	—	62–86 lb	8.5 yr
Stabyhoun	Large	13–15 yr	—	40–60 lb	10.5 yr
Staffordshire Bull Terrier	Medium	12–14 yr	11.44 yr	24–38 lb	10 yr
Standard Schnauzer	Medium	13–16 yr	—	30–50 lb	11 yr
Sussex Spaniel	Medium	13–15 yr	—	35–45 lb	10.5 yr
Swedish Lapphund	Medium	12–14 yr	—	30–45 lb	10 yr
Swedish Vallhund	Medium	12–15 yr	—	20–35 lb	10 yr
Taiwan Dog	Medium	9–13 yr	—	26–40 lb	8.5 yr
Teddy Roosevelt Terrier	Small	14–16 yr	—	8–25 lb	11.5 yr
Thai Ridgeback	Large	12–13 yr	—	35–75 lb	9.5 yr
Tibetan Mastiff	Giant	10–12 yr	—	70–150 lb	8.5 yr
Tibetan Spaniel	Small	12–15 yr	15.2 yr	9–15 lb	10 yr
Tibetan Terrier	Medium	15–16 yr	—	18–30 lb	11.5 yr
Tornjak	Giant	12–14 yr	—	62–110 lb	10 yr
Tosa	Giant	10–12 yr	—	100–200 lb	8.5 yr
Toy Fox Terrier	Toy	13–15 yr	—	3–7 lb	10.5 yr
Transylvanian Hound	Medium	10–14 yr	—	up to 55 lb	9 yr
Treeing Tennessee Brindle	Medium	10–12 yr	—	30–50 lb	8.5 yr
Treeing Walker Coonhound	Large	12–13 yr	—	50–70 lb	9.5 yr
Vizsla	Large	12–14 yr	—	44–60 lb	10 yr
Weimaraner	Large	10–13 yr	—	55–90 lb	8.5 yr
Welsh Springer Spaniel	Medium	12–15 yr	—	35–55 lb	10 yr
Welsh Terrier	Small	12–15 yr	—	up to 20 lb	10 yr
West Highland White Terrier	Small	13–15 yr	—	15–20 lb	10.5 yr
Wetterhoun	Large	12–13 yr	—	50–75 lb	9.5 yr
Whippet	Medium	12–15 yr	—	25–40 lb	10 yr
Wire Fox Terrier	Small	12–15 yr	—	15–18 lb	10 yr
Wirehaired Pointing Griffon	Large	12–15 yr	—	35–70 lb	10 yr
Wirehaired Vizsla	Large	12–14 yr	—	45–65 lb	10 yr
Working Kelpie	Large	12–15 yr	—	28–60 lb	10 yr
Xoloitzcuintli	Medium	13–18 yr	—	10–55 lb	11.5 yr
Yakutian Laika	Medium	10–12 yr	—	40–55 lb	8.5 yr
Yorkshire Terrier	Toy	11–15 yr	12.54 yr	up to 7 lb	10 yr

UK study column: life expectancy at birth from VetCompass (Teng 2022, 18 breeds) or median lifespan from McMillan 2024 where the breed was among the longest- or shortest-lived. Senior age follows the AAHA definition: the last quarter of expected lifespan.